package pack0818.b;

public class School implements Myself{
    //私有属性
    private DaYinJI print;
    public School(){
        print = new DaYinJI();
    }
    public void print(Myself js){
        String s = js.Myself();
        print.print(s);
    }
    public String Myself(){
        return "我是学校";
    }
}
